#!/usr/bin/env python
#
# Copyright 2009 Francois Cilliers
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

from google.appengine.ext import webapp

from google.appengine.api import users


def get_return_url(request):
        if request.headers.has_key('referer'):
            return request.headers['referer']
        else:
            return ''
    

class Login(webapp.RequestHandler):
    def get(self):
        # use temporary redirect, since the destination is variable
        self.redirect(users.create_login_url(get_return_url(self.request)))

class Logout(webapp.RequestHandler):
    def get(self):
        # use temporary redirect, since the destination is variable
        self.redirect(users.create_logout_url(get_return_url(self.request)))

